Jio has launched a new way to know your jiofi 2 or jiofi3 number instantly. All you need to do is send an sms with your jiofi device imei no(printed on jifi box or sticker inside jiofi device where battery attached).
Send Jio <space><jiofi imei no> to 7021799999
This message can be sent from any operator mobile no. You’ll receive the message from jionet stating that imei is being used with jio no XXXXXXX.
Please not you would be charged for the sms if sending sms from non-jio mobile no.